Los Angeles graffiti in the form of a tagged-up, unfinished skyscraper downtown has recently made national news. But we're also the mural capital of the world and constantly asking ourselves: Is this art or vandalism?
The invention of blue and purple pigments in ancient times - Chemical Society Reviews (RSC Publishing) DOI:10 1039/B606268G rsc.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from rsc.org Daily Mail and Mail on Sunday newspapers.
It’s a now-familiar story. After five years of fruitless searching, British archaeologist Howard Carter finally in November 1922 made the discovery of the ages. Beneath the debris of the tomb